<script type="text/javascript" src="<your installation path>/tiny_mce/tiny_mce.js"></script>
<script type="text/javascript">
tinyMCE.init({
theme : "advanced",
mode : "none",
plugins : "bbcode",
theme_advanced_buttons1 : "bold,italic,underline,undo,redo,link,unlink,image, forecolor,styleselect,removeformat,cleanup,code",
theme_advanced_buttons2 : "",
theme_advanced_buttons3 : "",
theme_advanced_toolbar_******** : "bottom",
theme_advanced_toolbar_align : "center",
theme_advanced_styles : "Code=codeStyle;Quote=quoteStyle",
*******_css : "css/bbcode.css",
entity_encoding : "raw",
add_unload_trigger : false,
remove_linebreaks : false,
inline_styles : false,
convert_fonts_to_spans : false
});
</script>
<form method="post" action="somepage">
<textarea name="*******" style="width:100%">
</textarea>
<a href="#" onclick="tinyMCE.execCommand('mceToggleEditor',false,'***** **');">[Toggle WYSIWYG]</a>
</form>